The Royals created the power bullpen model. Now they're just hoping they can get by.
Kansas City Royals: Danny Duffy experiencing shoulder tightness
Royals beat White Sox 5-0
Dodgers Trade Player To Be Named Later To Royals For Danny Duffy
Danny Duffy
Dodgers Acquire LHP Danny Duffy From Kansas City Royals – NBC Los Angeles
Dodgers get Royals left-hander Danny Duffy for playoff push
The Ringer Staff's 2017 MLB Season Predictions - The Ringer
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Danny Duffy traded to Dodgers
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